CNN: The shadow boxing that Hillary Clinton and Bernie Sanders have played at for months -- they've barely mentioned each other on the campaign trail -- will give way to more direct jabs Tuesday night.

CNN: Vice President Joe Biden will be invited to participate in the first Democratic presidential primary debate if he declares his intention to seek his party's nomination as late as the day of the debate, eligibility criteria released Monday by CNN shows.

New York Times: Speaker John A. Boehner, under intense pressure from conservatives in his party, announced on Friday that he would resign one of the most powerful positions in government and give up his House seat at the end of October, as Congress moved to avert a government shutdown.

Washington Post: Ever since an HIV/AIDS patient advocacy group began raising questions last week about why Turing Pharmaceuticals jacked up the price for a medication from $13.50 per pill to $750 overnight, anger against the company has been boiling over.

USA Today: More than seven months after his suspension from NBC for fabricating stories about his reporting exploits, Brian Williams returned to the air Tuesday afternoon to anchor MSNBC's coverage of Pope Francis' visit to the US.

NPR: Kim Davis, the county clerk in Kentucky who was jailed for refusing to issue marriage licenses to same-sex couples, is back to work today — saying she will neither authorize such licenses nor stand in the way of her deputies if they wish to do so.

CNN: New York Gov. Andrew Cuomo called Tuesday for national gun control legislation to try to stem violence nationwide, one day after a top lawyer in his administration was shot and critically wounded early Monday morning.

CNN: A piece of debris that washed up on the shore of Reunion Island in July was part of Malaysia Airlines Flight 370, the Paris prosecutor's office said Thursday, backing up a statement that Malaysia's Prime Minister made weeks ago.

CNN: The Dow Jones Industrial Average dropped 300 points, or about 2%, and is 12% below the all-time high it set in May. The S&P 500 also fell 2% and is once again close to entering a so-called correction. It's down almost 10% from the record that it hit in May.

CNN: Pope Francis rocked the Catholic world -- again -- on Tuesday by announcing that contrite women who have had an abortion can seek forgiveness from priests during the church's upcoming "Year of Mercy."

CNN: A 12-year-old Taiwanese boy lived out a slapstick nightmare at the weekend when he tripped at a museum and broke his fall with a painting, smashing a hole in it. Exhibition organisers said the painting was a 350-year-old Paolo Porpora oil on canvas work called Flowers, valued at $1.5m.

CNN: Many remember the haunting photograph: A woman wearing business attire and pearls is covered head-to-toe in white dust, her hands held out helplessly before her, as she makes her way out of the World Trade Center's damaged North Tower on September 11, 2001.

Aljazeera: Three gun rights groups, including the National Rifle Association (NRA), sued the city of Seattle on Monday over its adoption of a so-called "gun violence tax," a tax on firearms and ammunition designed to help offset the financial toll of gun violence.

CNN: Since announcing his campaign in late June, Donald Trump has quickly leapt to the top of the Republican field, leading recent polls nationally, in Iowa and in New Hampshire. And now, for the first time in CNN/ORC polling, his gains among the Republican Party have boosted him enough to b…

CNN: Ahead of his initial appearance in federal court Wednesday, former Subway pitchman Jared Fogle reached a plea agreement with prosecutors that would see him serve between five and 12½ years in prison for handling child pornography and having sex with a minor.

CNN: An appellate court on Thursday ruled against a Colorado bakery owner who refused to make a wedding cake for a same-sex couple, rejecting among other things his denial that he discriminated against them based on their sexual orientation.